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Lead Blocks
Series 20
Series 20 Ball Bearing
Series 30
Series 30 Ball Bearing
Series 55 Ratchet
Series 60 & 75
Wire Blocks
Brand
Ronstan
(34)
Industry
Marine
(34)
BL (Kg)
1000
(2)
1370
(3)
500
(8)
550
(14)
650
(1)
700
(2)
750
(4)
Finish/Material
Acetal ball bearings, UV stabilised Acetal sheave, Grade 316 stainless steel load strap and head fitting, Impact and UV resistant, fibre reinforced Nylon cheeks
(1)
Grade 316 stainless steel ball bearings, UV stabilised Acetal sheave, Grade 316 stainless steel load housing
(2)
Grade 316 stainless steel cheeks., Nylatron® sheave
(1)
Head fitting: grade 316 stainless steel., Ball Bearings: High compression strength carbon black Acetal., Sheave : Hard anodised aluminium.
(1)
Stainless steel ball bearings, UV stabilised Acetal sheave, Grade 316 stainless steel load strap and head fitting, Impact and UV resistant, fibre reinforced Nylon cheeks
(8)
U.V. stabilised Acetal sheave
(2)
U.V. stabilised Acetal sheave, Grade 316 stainless steel load housing
(4)
Max Cable Size (mm)
-
(27)
3
(1)
Max Rope Size (mm)
-
(1)
3/8
(1)
5
(2)
6
(13)
8
(3)
8 + 6
(1)
10
(12)
MWL (kg)
250
(34)
Pin Size (mm)
-
(14)
13
(1)
3.0
(1)
5
(6)
5.0
(1)
NULL
(9)
Product Applications
Dinghy barber haulers, Spinnaker pole launching systems
(3)
Pivoting version suits controls that need to be trimmed from either side of the boat.
(1)
Suits Series 40 & 55 Orbit Block™ Dyneema® links
(1)
Typically used for halyards at the mast base.
(1)
Typically used in dinghy spars for control lines
(2)
Typically used in dinghy spars for control lines such as outhauls.
(2)
Product Name
Block Accessories
(1)
Exit Boxes
(2)
Lead Blocks
(6)
Series 20
(8)
Series 20 Ball Bearing
(1)
Series 30
(4)
Series 30 Ball Bearing
(1)
Series 55 Ratchet
(7)
Series 60 & 75
(3)
Wire Blocks
(1)
Sheave Size (mm)
13
(1)
19
(3)
20
(14)
30
(4)
30 + 20
(1)
55
(5)
55 + 35
(2)
60
(3)
Unit
Each
(34)
Showing 1–12 of 34 results
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Series 20 Ball Bearing Block with Series 20 block linked at 90 Degrees
Ronstan
Series 20 Ball Bearing Cheek Block
Ronstan
Series 20 Ball Bearing Exit Block with Cover Plate
Ronstan
Series 20 Ball Bearing Exit Block with Side Tabs
Ronstan
Series 20 Ball Bearing In-Line Double Block
Ronstan
Series 20 Ball Bearing Lashing Orbit Block™
Ronstan
Series 20 Ball Bearing Single Block with Becket and Loop Top
Ronstan
Series 20 Ball Bearing Single Block with Loop Mount
Ronstan
Series 20 Ball Bearing Single Block with Loop Top
Ronstan
Series 20 Ball Bearing Single Block with Swivel Shackle
Ronstan
Series 20 Ball Bearing Single Pivoting Lead Block
Ronstan
Series 20 Ball Bearing Single Upright Lead Block
Ronstan
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